. >> it's a gender issue, an education issue the fact that 433 million school days are lost every year because kids are sick from contaminated water. >> the water in our toilet is cleaner than the water most people are drinking. >> you have been working on this for 20 years. is it that we don't have enough water on the planet? the water is dirty? where does the issue begin? >> there's enough water on the planet. the challenge is making sure that water is clean and making sure it's where people live. you know, in the united states, there is water scarcity. we have the policies and money to deal with it. we pay twice for our cable bill what we do for water. >> people aren't equally poor. the people without access to water, they are not all in the same boat. in a lot of situations, in urban environments, piping water by people's houses. they just don't have access to it. instead, the people working, holding down jobs are standing in a line at a designated time to get their water. gary pioneered an idea called water credit, if you can take a loan app and buy your time back. a $75 or $100 l